<template>
  <div class="tags-view-container">
    <el-scrollbar class="tags-view-wrapper">
      <router-link
        class="tags-view-item"
        :class="isActive(tag) ? 'active' : ''"
        :style="{
          backgroundColor: isActive(tag) ? $store.getters.cssVar.menuBg : '',
          borderColor: isActive(tag) ? $store.getters.cssVar.menuBg : '',
        }"
        v-for="(tag, index) in $store.getters.tagsViewList"
        :key="index"
        :to="{ path: tag.fullPath }"
        @contextmenu.native.prevent="opneMenu($event, index)"
      >
        {{ tag.title }}
        <i
          v-show="!isActive(tag)"
          class="el-icon-close"
          @click.prevent.stop="onCloseClick(index)"
        ></i>
      </router-link>
    </el-scrollbar>
    <context-menu
      v-show="visible"
      :style="{ left: x + 'px', top: y + 'px' }"
      :index="selectIndex.toString()"
    ></context-menu>
  </div>
</template>

<script>
import ContextMenu from "./ContextMenu.vue";
export default {
  components: { ContextMenu },
  data() {
    return {
      selectIndex: "",
      visible: false,
      x: "",
      y: "",
    };
  },
  mounted() {},
  methods: {
    isActive(tag) {
      return tag.path === this.$route.path;
    },
    // 删除当前
    onCloseClick(index) {
      this.$store.commit("app/removeTagsView", { type: "index", index: index });
    },
    opneMenu(e, index) {
      // console.log(e);
      let { x, y } = e;
      this.x = x;
      this.y = y;
      this.selectIndex = index;
      this.visible = true;
      // console.log(this.x);
      // console.log(this.y);
      // console.log(index);
    },
    closeMenu() {
      this.visible = false;
    },
  },
  watch: {
    visible: function (newValue) {
      if (newValue) {
        document.body.addEventListener("click", this.closeMenu);
      } else {
        document.body.removeEventListener("click", this.closeMenu);
      }
    },
  },
};
</script>

<style scoped lang='scss'>
.tags-view-container {
  height: 34px;
  width: 100%;
  background: #fff;
  border-bottom: 1px solid #d8dce5;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.12), 0 0 3px 0 rgba(0, 0, 0, 0.04);
  .tags-view-item {
    display: inline-block;
    position: relative;
    cursor: pointer;
    height: 26px;
    line-height: 26px;
    border: 1px solid #d8dce5;
    color: #495060;
    background: #fff;
    padding: 0 8px;
    font-size: 12px;
    margin-left: 5px;
    margin-top: 4px;
    &:first-of-type {
      margin-left: 15px;
    }
    &:last-of-type {
      margin-right: 15px;
    }
    &.active {
      color: #fff;
      &::before {
        content: "";
        background: #fff;
        display: inline-block;
        width: 8px;
        height: 8px;
        border-radius: 50%;
        position: relative;
        margin-right: 4px;
      }
    }
    // close 按钮
    .el-icon-close {
      width: 16px;
      height: 16px;
      line-height: 10px;
      vertical-align: 2px;
      border-radius: 50%;
      text-align: center;
      transition: all 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
      transform-origin: 100% 50%;
      &:before {
        transform: scale(0.6);
        display: inline-block;
        vertical-align: -3px;
      }
      &:hover {
        background-color: #b4bccc;
        color: #fff;
      }
    }
  }
}
</style>
